428782860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19687}}^1$

素因数の和:19724

約数の個数: 108

約数和(自身を含む): 1429703184

約数和(自身を除く): 1000920324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 19687, 21780, 39374, 59061, 78748, 98435, 118122, 177183, 196870, 216557, 236244, 295305, 354366, 393740, 433114, 590610, 649671, 708732, 866228, 885915, 1082785, 1181220, 1299342, 1771830, 1949013, 2165570, 2382127, 2598684, 3248355, 3543660, 3898026, 4331140, 4764254, 6496710, 7146381, 7796052, 9528508, 9745065, 11910635, 12993420, 14292762, 19490130, 21439143, 23821270, 28585524, 35731905, 38980260, 42878286, 47642540, 71463810, 85756572, 107195715, 142927620, 214391430, 428782860]

約数ペア:

[(1, 428782860), (2, 214391430), (3, 142927620), (4, 107195715), (5, 85756572), (6, 71463810), (9, 47642540), (10, 42878286), (11, 38980260), (12, 35731905), (15, 28585524), (18, 23821270), (20, 21439143), (22, 19490130), (30, 14292762), (33, 12993420), (36, 11910635), (44, 9745065), (45, 9528508), (55, 7796052), (60, 7146381), (66, 6496710), (90, 4764254), (99, 4331140), (110, 3898026), (121, 3543660), (132, 3248355), (165, 2598684), (180, 2382127), (198, 2165570), (220, 1949013), (242, 1771830), (330, 1299342), (363, 1181220), (396, 1082785), (484, 885915), (495, 866228), (605, 708732), (660, 649671), (726, 590610), (990, 433114), (1089, 393740), (1210, 354366), (1452, 295305), (1815, 236244), (1980, 216557), (2178, 196870), (2420, 177183), (3630, 118122), (4356, 98435), (5445, 78748), (7260, 59061), (10890, 39374), (19687, 21780)]